package lab03.test08;

import java.io.*;

/**
 * Created by dell on 2017/12/29.
 */
public class Test {
    public static void main(String[] args) throws IOException {
        String path1 = "E:\\java123\\1.txt";
        String path2 = "E:\\java123\\2.txt";
        String path3 = "E:\\java123\\3.txt";

        InputStreamReader reader = new InputStreamReader(new FileInputStream(path1));
        BufferedReader buffer = new BufferedReader(reader);//读1.txt内容

        InputStreamReader reader1 = new InputStreamReader(new FileInputStream(path2));
        BufferedReader buffer1 = new BufferedReader(reader1);//读2.txt内容

        OutputStreamWriter last = new OutputStreamWriter(new FileOutputStream(path3));
        BufferedWriter writer = new BufferedWriter(last);//写3.txt内容

        String line1 = buffer.readLine();
        String line2 = buffer1.readLine();
        while (true) {

            if (line1 != null && line2 != null) {
                System.out.println(line1);
                System.out.println(line2);
                writer.write(line1);
                writer.newLine();
                writer.write(line2);
                writer.newLine();
                writer.flush();
                line1 = buffer.readLine();
                line2 = buffer1.readLine();
            }
            else if (line1 == null && line2 != null)
            {
                System.out.println(line2);
                writer.write(line2);
                writer.newLine();
                writer.flush();
                line2 = buffer1.readLine();
            }
            else if (line1 != null && line2 == null)
            {
                System.out.println(line1);
                writer.write(line1);
                writer.newLine();
                writer.flush();
                line1 = buffer.readLine();
            }
            else {
                break;
            }
        }
    }
}
